标准号:ISO 6632-1981
中文标准名称:水果、蔬菜及其制品 挥发性酸度的测定
英文标准名称:Fruits, vegetables and derived products; Determination of volatile acidity
标准类型:X04;B30
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:X04;B30
国际标准分类号:67.080.01
适用范围:The method consists in acidifying a test portion with tartaric acid, entraining the volatile acids by steam distillation and titrating the distillate with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as an indicator. The method is applicable to all fresh products, to products preserved without chemical preservatives, and to products to which sulphur dioxide has been added.